The supercontinent of Pangea formed some 270 million years ago, during the Early Permian Period, and then began to break up 70 million years later, eventually yielding the continents we inhabit today. Pangea was, of course, a peopleless place.

Kevin KellyMy favorite creation in last few years has been the Recomendo newsletter. We turned the first 73 issues into a webpage with categories. All recommendations grouped by subject for your enjoyment.
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Kevin KellyThis partly explains why Bitcoin mining is popular in China: "Bitcoin mining lets you turn Yuan that buy Chinese electricity into dollars from selling bitcoins. You get to do this without the normal currency controls."
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Imagine this: you tell a computer system how the pieces move — nothing more. Then you tell it to learn to play the game. And a day later — yes, just 24 hours — it has figured it out to the level that beats the strongest programs in the world...

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Kevin KellyA technical explanation of how the latest version of the AI AlphaGo taught itself (yes) to become the greatest chess master in only one day.
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